staging: unisys: Add s-Par visornic ethernet driver

This driver creates a network device when s-Par sends a device
create message to create network adapter on the visorbus. When
the message is received by visorbus, the visornic_probe function
is called and the netdev device is created and managed by the
visornic driver.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/Kconfig

@@ -12,5 +12,6 @@ menuconfig UNISYSSPAR
 if UNISYSSPAR
 
 source "drivers/staging/unisys/visorbus/Kconfig"
+source "drivers/staging/unisys/visornic/Kconfig"
 
 endif # UNISYSSPAR

drivers/staging/unisys/Makefile

@@ -2,3 +2,4 @@
 # Makefile for Unisys SPAR drivers
 #
 obj-$(CONFIG_UNISYS_VISORBUS)		+= visorbus/
+obj-$(CONFIG_UNISYS_VISORNIC)		+= visornic/

drivers/staging/unisys/visornic/Kconfig

+#
+# Unisys visornic configuration
+#
+
+config UNISYS_VISORNIC
+	tristate "Unisys visornic driver"
+	depends on UNISYSSPAR && UNISYS_VISORBUS && NET
+	---help---
+	The Unisys Visornic driver provides support for s-Par network
+	devices exposed on the s-Par visorbus. When a message is sent
+	to visorbus to create a network device, the probe function of
+	visornic is called to create the netdev device. Networking on
+	s-Par switches will not work if this driver is not selected.
+	If you say Y here, you will enable the Unisys visornic driver.
+

drivers/staging/unisys/visornic/Makefile

+#
+# Makefile for Unisys channel
+#
+
+obj-$(CONFIG_UNISYS_VISORNIC)	+= visornic.o
+
+visornic-y := visornic_main.o
+
+ccflags-y += -Idrivers/staging/unisys/include
+